ET INFO Outdated Browser Landing Page M2

Query · suricata

flow:established,to_client;
http.stat_code;
content:"200";
file.data;
content:"|5c|nUpdate your browser"; nocase;
content:"is out-of-date"; fast_pattern; nocase;
Raw source ET INFO Outdated Browser Landing Page M2 · Suricata
Esc
Published by Emerging Threats Open ↗, licensed under BSD 3-Clause ↗. Line breaks added for readability; the rule is otherwise unchanged. 
alert http $EXTERNAL_NET any -> $HOME_NET any (
    msg:"ET INFO Outdated Browser Landing Page M2";
    flow:established,to_client;
    http.stat_code;
    content:"200";
    file.data;
    content:"|5c|nUpdate your browser"; nocase;
    content:"is out-of-date"; fast_pattern; nocase;
    reference:url,blog.group-ib.com/perswaysion;
    classtype:misc-activity;
    sid:2033997; rev:3;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2021_09_21, deployment Perimeter, confidence High, signature_severity Minor, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2021_09_22;
)

Detection rules belong to the projects that publish them and remain under their own licenses. This site indexes and links to them; it claims no rights in them.